281259999

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 423168000

約数和(自身を除く): 141908001

約数列:

[1, 3, 9, 27, 149, 151, 447, 453, 463, 1341, 1359, 1389, 4023, 4077, 4167, 12501, 22499, 67497, 68987, 69913, 202491, 206961, 209739, 607473, 620883, 629217, 1862649, 1887651, 10417037, 31251111, 93753333, 281259999]

約数ペア:

[(1, 281259999), (3, 93753333), (9, 31251111), (27, 10417037), (149, 1887651), (151, 1862649), (447, 629217), (453, 620883), (463, 607473), (1341, 209739), (1359, 206961), (1389, 202491), (4023, 69913), (4077, 68987), (4167, 67497), (12501, 22499)]